幾種藥用植物光合生理特性的比較研究.pdf

1、河北農業(yè)大學碩士學位論文幾種藥用植物光合生理特性的比較研究姓名：白巖申請學位級別：碩士專業(yè)：作物栽培學與耕作學指導教師：李雁鳴20040619TheComparativeStudyonPhotosyntheticPhysiologicalCharacteristicsofFiveChineseTraditionalMedicinalHerbsPostgraduate：BaiyanMajor：CropCultivationandFarmi

2、ngScienceSupervisor：ProfessorLiYahmingAbstractThisresearchwasbasedon瑚edicinalpartsandphotosyntheticcharacteristicsandotheraspectsofdifferentmedieinalherbssothatJob’8tears(CoixlachrymajobO，saffiower(Carthamustinctorias)，c

3、ornmint(Menthahaplocalyx)，RehmanniaglutinosaLiboschandAraceae啊risaemaconsanguineum)werechosenasexperimentalmaterialsincludingnormalanddiseasedleaves，leavesonplantswithfloweringdetachedandundetached，111echangesofphotosynt

4、heticpigmentcontent，netphotosyntheticrate，transpirationrateandwaterUseefficieneyduringthewholegrowingperiod，andthediurnalchangesofphotosynthesisindifierentecologiealconditionsweremeasured，andthechangesofsolublesugarcontc

5、nt，niIratereductaseactivityfreeaminoacidscouteutandsolubleproteincoute腳werealsodeterminedsimultaneoUsly刀|eresultsshowedthatJob’‘stears，、vitIlseedsasitsgainpart，showedthehighestphotosynthetiepigmentcontent，netphotosynthet

6、icrate，transpirationrateandwateruseefficiencyduringwholegrowingperiodinthefivespeciesofmedicinalherbs。anditsdiurnalchangeofphotosynthesisshowedsinglepeakcurveswithoutmiddaydepressionS棚owerv，hosetubtdarflowersandseedswere

7、themainmedicinalparts，hadtheshortestgrowingperiodamongthefiveherbsThechangesofphotosyntheticpigmentcontentnetphotosyntheticratetranspirationrateandwateruseefficiencyduringgrowingperiodofsaffiowerwereallsinglepeakCUrVeS，b

8、utitsdailychangeofPh9tosynthesiswasdoublepeakcurvewithamiddaydepressionWithstelnsandleavesasitsmedicinalpartscolnmiuthadindefinitegrowthbehaviorblossomedandfruitedandgrewinvegetativeorganssynchronouslyThedailychangesofph

9、otosynthesiswerealsotwopeakcurveshavingmiddaydepressionalthou【ghitwasheliophillousplantRhizomeswerethemedicinalpartsofRehraanniaglutinosaandtuberswerethemedicinalpartsofAraceae，butRehmanntaglutinosawashe[iophiltousplanta

10、ndAraceaewaslAeliophiboussothatthenetphotosyntheticrateofRehmanniaglutinosawashigherthanthatofAraceaeThechangesofphotosynthesisofthetwospeciesweredoublepeakcurvesdifferingfromthoseoftheotherthreeseedingreproducedplantsbe

11、causeoftheexistenceofrhizomesandtubersdufnggrowingperiodThedeterminationofphotosyntheticphysiologicalparametersofbractofAreceaespadixduringgrowingperiodshowedthatitcontainedphotosyntheticpigmentand，wascapableofphotosynth

12、esisUanspirationalthoughlowerthanthoseofleavesThephotosyntheticphysiologicalcharacteristicsofdiseasedleavesofRehmanniaglutinosaweremuch10werthanthatofnormalleavesOntheotherhand，thesubstancemetabolismofdilFerentmedicinalh